Here is a Bluetooth deadbolt that turns your existing lock smart. The Level Bolt can be installed with a screwdriver and works with iOS and Android devices. It has an “invisible” design and can be controlled with the Level app. You can also continue using your existing key.
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The Bolt has a 6-stage stainless steel gearbox and can run on a CR2 battery for over a year. You can find out more about it here.
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